參數(shù)資料
型號: AK4560A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16bit CODEC with ALC and MIC/HP/SPK-Amps
中文描述: 16位編解碼器ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植,放大器
文件頁數(shù): 9/47頁
文件大?。?/td> 339K
代理商: AK4560A
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 9 -
Parameter
min
typ
max
Units
Analog Volume Characteristics (OPGA):
Input Resistance (OPGL and OPGR pins) (Note 23)
Step Size: +0dB
-16dB
-16dB
-38dB
-38dB
-50dB
Headphone-Amp Characteristics:
R
L
= 220
(Note 24)
Output Voltage (FS-12dB = -17.5dBV Input) (Note 19)
S/(N+D) (-3.4dBV Output)
Output Noise Voltage (OPGA=MUTE, A-Weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance (Note 22)
Speaker-Amp Characteristics:
R
L
= 8
, BTL, Input from MIN pin, ALC2=OFF
Output Voltage
S/(N+D) (80mW Output)
S/N (A-Weighted)
Load Resistance
Load Capacitance (Note 22)
Shutter Input:
(SHT pin)
Maximum Input Voltage (Note 19)
Input Resistance
BEEP Input:
(BEEP pin)
Maximum Input Voltage (Note 19)
Feed-back Resistance
Monaural Input:
(MIN pin)
Maximum Input Voltage (Note 19)
Input Resistance (Note 25)
Monaural Output:
(MOUT pin) (Note 26)
Output Voltage (Note 19)
Load Resistance
Load Capacitance (Note 22)
Note 23. Input impedance of OPGA changes from 63k
to 158k
by setting GAIN value, typically.
Note 24. Input OPGL/OPGR pins. These values are measured via the following path.
Analog volume (OPGA=0dB)
Monaural Output (MOUT pin)
Note 25. Input impedance of MIN pin changes from 21k
to 25k
by setting ALC2 GAIN value, typically.
Note 26. OPGL/OPGR pins are input to –5.5dBV. These values are measured via the following path.
Analog volume (OPGA=0dB)
Monaural Output (MOUT pin)
44
0.1
0.1
0.1
110
1
2
4
205
k
dB
dB
dB
-6.5
40
-5.7
53
-80
100
-4.9
dBV
dB
dBV
dB
dB
pF
-74
80
0.5
220
20
-4
40
81
8
-2
55
87
0
dBV
dB
dB
pF
10
-5.5
55
dBV
k
29
42
-7.5
26
dBV
k
14
20
-5.5
33
dBV
k
14
23
-6.3
10
-5.5
-4.7
dBV
k
pF
20
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